Patents by Inventor Fred J. Hart

Fred J. Hart has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Growth promoting composition for fish and method of using the same
    Patent number: 5593978
    Abstract: A method for promoting growth in fish comprising administering a low level dosage amount of zearalanol to fish. The zearalanol may be conveniently administered to the fish via a novel fish feed formulation comprising a conventional feed mixture supplemented with a relatively low dosage amount of zearalanol ranging from 1 to 20 parts per million (ppm) zearalanol in the feed. In another embodiment, the zearalanol may be administered to the fish in the form of a novel complex of zearalanol and a cyclodextrin compound which further enhances the growth process.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: January 14, 1997
    Assignee: Mallinckrodt Veterinary, Inc.
    Inventors: Martin J. Jacobs, Fred J. Hart